Havana Smoke is a term used to describe cigars made in Cuba, the capital of which is Havana. The term is often used to refer to cigars made with Cuban tobacco, which is known for its unique flavor and aroma. The term 'Havana Smoke' is also used to refer to the process of smoking a CIGAR, which involves slowly burning the tobacco leaves and inhaling the smoke. The five-letter solution to the crossword clue 'CIGAR' is CIGAR, which is an appropriate answer given the context of the term Havana Smoke.